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Subject[l1k:smsc95xx_5.17 76/887] drivers/video/fbdev/rpisense-fb.c:203:34: error: implicit declaration of function 'vzalloc'; did you mean 'kvzalloc'?
tree:   https://github.com/l1k/linux smsc95xx_5.17
head: 05d68ced287b30f62f18f95b5476135ef669804a
commit: b722bea6165a6e42fff47ede05186cb53542689e [76/887] mfd: Add Raspberry Pi Sense HAT core driver
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20220408/202204081542.rzWZZRnZ-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/l1k/linux/commit/b722bea6165a6e42fff47ede05186cb53542689e
git remote add l1k https://github.com/l1k/linux
git fetch --no-tags l1k smsc95xx_5.17
git checkout b722bea6165a6e42fff47ede05186cb53542689e
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sh SHELL=/bin/bash drivers/video/fbdev/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

drivers/video/fbdev/rpisense-fb.c: In function 'rpisense_fb_probe':
>> drivers/video/fbdev/rpisense-fb.c:203:34: error: implicit declaration of function 'vzalloc'; did you mean 'kvzalloc'? [-Werror=implicit-function-declaration]
203 | rpisense_fb_param.vmem = vzalloc(rpisense_fb_param.vmemsize);
| ^~~~~~~
| kvzalloc
>> drivers/video/fbdev/rpisense-fb.c:203:32: warning: assignment to 'char *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
203 | rpisense_fb_param.vmem = vzalloc(rpisense_fb_param.vmemsize);
| ^
>> drivers/video/fbdev/rpisense-fb.c:246:9: error: implicit declaration of function 'vfree'; did you mean 'kfree'? [-Werror=implicit-function-declaration]
246 | vfree(rpisense_fb_param.vmem);
| ^~~~~
| kfree
cc1: some warnings being treated as errors


vim +203 drivers/video/fbdev/rpisense-fb.c

193
194 static int rpisense_fb_probe(struct platform_device *pdev)
195 {
196 struct fb_info *info;
197 int ret = -ENOMEM;
198 struct rpisense_fb *rpisense_fb;
199
200 rpisense = rpisense_get_dev();
201 rpisense_fb = &rpisense->framebuffer;
202
> 203 rpisense_fb_param.vmem = vzalloc(rpisense_fb_param.vmemsize);
204 if (!rpisense_fb_param.vmem)
205 return ret;
206
207 rpisense_fb_param.vmem_work = devm_kmalloc(&pdev->dev, 193, GFP_KERNEL);
208 if (!rpisense_fb_param.vmem_work)
209 goto err_malloc;
210
211 info = framebuffer_alloc(0, &pdev->dev);
212 if (!info) {
213 dev_err(&pdev->dev, "Could not allocate framebuffer.\n");
214 goto err_malloc;
215 }
216 rpisense_fb->info = info;
217
218 rpisense_fb_fix.smem_start = (unsigned long)rpisense_fb_param.vmem;
219 rpisense_fb_fix.smem_len = rpisense_fb_param.vmemsize;
220
221 info->fbops = &rpisense_fb_ops;
222 info->fix = rpisense_fb_fix;
223 info->var = rpisense_fb_var;
224 info->fbdefio = &rpisense_fb_defio;
225 info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
226 info->screen_base = rpisense_fb_param.vmem;
227 info->screen_size = rpisense_fb_param.vmemsize;
228
229 if (lowlight)
230 rpisense_fb_param.gamma = gamma_low;
231
232 fb_deferred_io_init(info);
233
234 ret = register_framebuffer(info);
235 if (ret < 0) {
236 dev_err(&pdev->dev, "Could not register framebuffer.\n");
237 goto err_fballoc;
238 }
239
240 fb_info(info, "%s frame buffer device\n", info->fix.id);
241 schedule_delayed_work(&info->deferred_work, rpisense_fb_defio.delay);
242 return 0;
243 err_fballoc:
244 framebuffer_release(info);
245 err_malloc:
> 246 vfree(rpisense_fb_param.vmem);
247 return ret;
248 }
249

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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